Electric Circuits

Define an electrical insulator?

• A material that does not conduct electricity.

• A material that electricity can go through.

• A person with specialized training and equipment to work with electrical systems.

An ______________________ is a system for transferring energy from one place to another.

• electric circuit

• conductor

• insulator

A circuit provides a _________________ for electricity to flow from an energy source, such as a cell, to where it is needed and back to it's source.

• board

• pathway

• pylon

The pathway needs to form a _______________ loop.

• open

• closed

These pylons support the long transmission wire that carry electricity to all parts of our country. They are part of a nation-wide circuit called...

• The Transmission grid

• The Electrical grid

• The National Grid

Tags

NGSS.MS-PS3-3

Parts of a circuit board are called...

• cell

• conductor

• components

Tags

NGSS.MS-ETS1-1

Each circuit needs a source of electrical energy. Select two sources of electrical energy.

• the sun

• cells

• wind

• batteries

________________ are the conducting materials that carry the electrical current from the energy source to the other parts of the electric circuit.

• Devices

• Buzzers

• Wires

An electrical current is...

• the movement of electric charges through a conductor.

• convert electrical energy into movement energy

• for controlling whether current flows in an electric circuit.

Which metal has the property of conducting electricity.

• Silver

• Copper

• Steel